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Inventories (Tables)
3 Months Ended
Jan. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventories
As of the dates indicated, inventories are comprised of the following (in thousands):
 
January 31,
2020
 
October 31,
2019
Raw materials
$
106,522

 
$
99,041

Work-in-process
11,728

 
13,657

Finished goods
219,907

 
226,622

Deferred cost of goods sold
49,256

 
53,051

Gross inventories
387,413

 
392,371

Provision for excess and obsolescence
(44,740
)
 
(47,322
)
Inventories, net
$
342,673

 
$
345,049